Finding the Fourth Proportional to 467,719.35, 645,471.50 and 261,005.82

Step by Step Solution

1. Step 1: Write the proportion equation
   467,719.35 : 645,471.50 = 261,005.82 : x
2. Step 2: Convert to fraction form
   467,719.35/645,471.50 = 261,005.82/x
3. Step 3: Cross multiply
   467,719.35x = 645,471.50 × 261,005.82
4. Step 4: Simplify right side
   467,719.35x = 168,471,816,839.10
5. Step 5: Solve for x
   x = 168,471,816,839.10/467,719.35
6. Step 6: Final answer
   x = 360,198.52